crosstab cognos unable to group anymore

[Avisto.sbu]

Hi,

I have a problem with cognos crosstab,

As I forgot a field in my table in database, I added it, updated the framework manager and I renamed it differently so that all links of my report were broken.

So I decided to recreate the same report but, when I wanted to group by a field in my crosstab cognos doesn't want to do it anymore :@ :@ :@ :@
'you can't group the selected objects' but with last query it worked perfectly so what is the problem with cognos? is it a bug in report studio?

ps: the added field has no impact on the others, is linked to 0 other field in fm so the model hasn't changed

[Avisto.sbu]

problem solved itself when recreating the table for the nth time